Home / 8,908,809.90-13,391,208.45-8,740,848.30

Finding the Fourth Proportional to 8,908,809.90, 13,391,208.45 and 8,740,848.30

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Solution

The fourth proportional to 8,908,809.90, 13,391,208.45 and 8,740,848.30 is: 13,138,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908,809.90 : 13,391,208.45 = 8,740,848.30 : x
  2. Step 2: Convert to fraction form
    8,908,809.90/13,391,208.45 = 8,740,848.30/x
  3. Step 3: Cross multiply
    8,908,809.90x = 13,391,208.45 × 8,740,848.30
  4. Step 4: Simplify right side
    8,908,809.90x = 117,050,521,615,128.14
  5. Step 5: Solve for x
    x = 117,050,521,615,128.14/8,908,809.90
  6. Step 6: Final answer
    x = 13,138,738.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.